Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+insub--github-issues/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

insub--github-issues/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c7c826bcc96691aa640a30e104f1fce46aa8282a89a7443f448526c47373e425
+size 17051648